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Why do I get -15 Winsock error: invalid Socket when running Gridgen on Windows with a license served from an SGI?

April 26, 2017Error gridgen invalid license running served socket Windows Winsock

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Why do I get -15 Winsock error: invalid Socket when running Gridgen on Windows with a license served from an SGI?

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Q: The most likely cause of this error message is that a firewall exists between the two machines. Configuring the firewall to let Gridgen and FLEXlm communicate through it will take care of the issue.